phosphorescent paint
nounUK /ˌfɒsfəˈresənt peɪnt/
US /ˌfɑːsfəˈresənt peɪnt/
A special paint that glows in the dark after it has been in the light.
The stars on my ceiling are painted with phosphorescent paint, so they shine all night.
OTHER MEANINGS
2. Paint containing a phosphor that stores light energy and releases it slowly as visible glow.
Phosphorescent paint is often used on watch dials and safety signs.
3. A coating used on toys and stickers to make them shine in the dark.
The sticker pack came with phosphorescent paint for extra glow.
4. Any paint that continues to emit light after the light source is removed.
Unlike fluorescent paint, phosphorescent paint keeps glowing in total darkness.